A particle which is experiencing a force, given by=312 undergoes a displacement of =4. If the particle had a kinetic energy of 3 J at the beginning of the displacement, what is its kinetic energy at the end of the displacement? |
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(a) |
15 J |
(b) |
10 J |

(c) |
12 J |
(d) |
9 J |

A particle which is experiencing a force, given by=312 undergoes a displacement of =4. If the particle had a kinetic energy of 3 J at the beginning of the displacement, what is its kinetic energy at the end of the displacement? |
|||

(a) |
15 J |
(b) |
10 J |

(c) |
12 J |
(d) |
9 J |

1 Answer

127 votes

Work done =

=12J

Work energy theorem

=

12= 3

K_{f }=15J

127 votes

127